ODBC Merger

A multi-source data merge tool that connects to ODBC data sources, unifies schemas, merges records, and exports consolidated results for analytics.

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About This Tool

The ODBC Merger connects to multiple ODBC sources and creates a unified dataset by aligning schemas and merging rows on chosen keys. It supports inner, outer, left, and union-with-dedup strategies to fit cross-system reporting needs. Users define source-to-target mappings and merge keys to control how data merges across systems. The tool emphasizes data integrity through type casting, conflict resolution policies, and validation checks to ensure resulting datasets are analytic-ready. Typical workflows include consolidating monthly sales from disparate databases or creating a customer-360 view from CRM and ERP systems. The solution offers advanced features such as incremental merges using watermark fields, enrichment lookups, and audit trails to support governance and reproducibility. By exporting to CSV, JSON, or SQL inserts, teams can push consolidated data into BI tools, data lakes, or downstream ETL pipelines. Unique value lies in its domain-focused mapping engine, robust handling of schema drift, and ability to perform cross-source deduplication without requiring custom scripts. Use cases span data migration, cross-source analytics, and centralized reporting dashboards.
The tool operates entirely on data at rest within connected sources or in the intermediate merge store, avoiding vendor-lock and enabling reproduceable pipelines.
Operators benefit from clear conflict policies, visibility into source column origin, and export formats that align with common analytics workflows.

How to Use

  1. Provide inputs: register ODBC sources with DSNs or connection strings.\n
  2. Define schema mapping: map source_columns to target_fields and specify merge_keys.\n
  3. Choose merge strategy and conflict policy.\n
  4. Run merge and validate results with sample checks.\n
  5. Export merged dataset to CSV, JSON, or SQL and archive logs.
How to use odbc merger

Frequently Asked Questions

Find Quick Answers

How many sources can be merged at once?
The tool supports merging multiple sources in a single session; practical limits depend on available memory, driver stability, and licensing. For large-scale merges, consider staged runs or incremental merges to keep performance predictable.
How is data deduplicated during merge?
Deduplication is controlled by merge_keys and a configurable policy (keep_latest, keep_first, or custom). When duplicates share keys, conflicting fields resolve according to the chosen policy, ensuring a single consolidated record per key.
What export formats are available?
Exports include CSV, JSON, and SQL insert scripts for the merged dataset. Optional exports to a target DSN are supported when a destination connection is configured.
Is incremental or scheduled merging supported?
Yes. If sources provide timestamp or watermark columns, the tool can perform incremental merges and integrate with orchestration pipelines for scheduled runs.

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